Bhatnagar O P <br/><br/>
Research methods and measurements in behavioural sciences. 

 - New Delhi  Agricole Publishing       1981 
 - 240p  cm. 
<br/><br/><label>Standard No.: </label>32998 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma:f, M1